* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 260553 Elec Identification
Mechanical-electrical analogies wikipedia , lookup
Skin effect wikipedia , lookup
Aluminium-conductor steel-reinforced cable wikipedia , lookup
Opto-isolator wikipedia , lookup
Flexible electronics wikipedia , lookup
Power over Ethernet wikipedia , lookup
Switched-mode power supply wikipedia , lookup
Ground loop (electricity) wikipedia , lookup
History of electric power transmission wikipedia , lookup
Power engineering wikipedia , lookup
Surge protector wikipedia , lookup
Voltage optimisation wikipedia , lookup
Electronic engineering wikipedia , lookup
Overhead power line wikipedia , lookup
Electromagnetic compatibility wikipedia , lookup
Electrical substation wikipedia , lookup
Electrical engineering wikipedia , lookup
Electrician wikipedia , lookup
Stray voltage wikipedia , lookup
Alternating current wikipedia , lookup
Portable appliance testing wikipedia , lookup
Earthing system wikipedia , lookup
Telecommunications engineering wikipedia , lookup
Ground (electricity) wikipedia , lookup
Home wiring wikipedia , lookup
Mains electricity wikipedia , lookup
Electrical wiring wikipedia , lookup
Medium Voltage Testing and Maintenance Project SECTION 260553 - ELECTRICAL IDENTIFICATION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. B. Related Sections: The following Sections contain requirements that relate to this Section: 1. 2. C. 1.2 Division 09 Section “Painting and Coatings" for related identification requirements. Division 26 Section “Basic Electrical Requirements.” Refer to other Division 26 sections for additional specific electrical identification associated with specific items. SUMMARY A. This Section includes identification of electrical materials, equipment, and installations. It includes requirements for electrical identification components including but not limited to the following: 1. 2. 3. 4. 5. 6. 1.3 Equipment labels and signs Device labels Identification labeling for raceways, cables, and conductors Operational instruction signs Warning and caution signs Buried electrical line warnings SUBMITTALS A. 1.4 None required. QUALITY ASSURANCE A. Electrical Component Standard: Components and installation shall comply with NFPA 70 "National Electrical Code." B. ANSI Compliance: Comply with requirements of ANSI Standard A13.1, "Scheme for the Identification of Piping Systems," with regard to type and size of lettering for raceway and cable labels. Electrical Identification Section 260553 1 Medium Voltage Testing and Maintenance Project PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by the following: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 2.2 Almetek American Labelmark Co. Brother’s Labels Calpico, Inc. Cole-Flex Corp. Emed Co., Inc. George-Ingraham Corp. Ideal Industries, Inc. Kraftbilt LEM Products, Inc. Markal Corp. National Band and Tag Co. Panduit Corp. Radar Engineers Div., EPIC Corp. Seton Name Plate Co. Standard Signs, Inc. W.H.Brady, Co. CONDUCTOR AND CABLE IDENTIFICATION A. Conductor Designation Tape Markers: Vinyl or vinyl-cloth, self- adhesive, wraparound, conductor markers with preprinted numbers and letters. Handwritten graphics are prohibited. B. Cable Ties: Fungus-inert, self-extinguishing, one-piece, self- locking nylon cable ties, 0.18-inch minimum width, 50-lb minimum tensile strength, and suitable for a temperature range from minus 50 deg F to 350 deg F. Provide ties in specified colors when used for color coding. For outdoor applications provide black UV resistant ties only; white ties are prohibited. 2.3 NAMEPLATES, LABELS, SIGNS, AND INSTRUCTION PLATES A. Plasticized Card Stock Tags: Vinyl cloth with preprinted and field-printed legends to suit the application. Orange background, except as otherwise indicated, with Eyelet for fastener. B. Aluminum-Faced Card Stock Tags: Weather-resistant, 18-point minimum card stock faced on both sides with embossable aluminum sheet, 0.002 inches thick, and laminated with moisture-resistant acrylic adhesive. Pre-print legend to suit the application, and punch for tie fastener. C. Brass or Aluminum Tags: Metal tags with stamped legend, punched for fastener. Dimensions: 2 inches by 2 inches by 19 gauge. Electrical Identification Section 260553 2 Medium Voltage Testing and Maintenance Project D. Engraved, Plastic-Laminated Labels, Signs, and Instruction Plates: Engraving stock melamine plastic laminate, 1/16-inch minimum thick for signs up to 20 square inches, or 8 inches in length; 1/8-inch thick for larger sizes. All exterior plates shall be punched for mechanical fasteners (pop rivets). Refer to details on drawings. Use Rowmark "Matt" for indoor use and Rowmark "UltraMatt" for exterior use. Nameplate lettering font shall be Helvetica, with bold or extra-bold strokes where indicated. E. Baked-Enamel Warning and Caution Signs for Interior Use: Preprinted aluminum signs, punched for fasteners, with colors, legend, and size appropriate to the location. F. Exterior Metal-Backed Butyrate Warning and Caution Signs: Weather-resistant, nonfading, preprinted cellulose acetate butyrate signs with 20-gage, galvanized steel backing, with colors, legend, and size appropriate to the location. Provide 1/4-inch grommets in corners for mounting. G. Legend Plates: Die-stamped metal legend plate with mounting hole and positioning key for panel mounted operator devices, i.e. motor control pilot devices, hand-off-auto switches, reset buttons, etc. Stamped characters to be paint-filled. H. Fasteners for Plastic-Laminated and Metal Signs: 1. 2. 2.4 Self-tapping stainless steel screws or number 10/32 stainless steel machine screws with nuts and flat and lock washers. Aluminum pop rivets. PANELBOARD, DISTRIBUTION AND MCC IDENTIFICATION A. Circuit Numbering: Provide factory-supplied permanent self-adhesive labels to identify each pole of all panelboards. B. Nameplates: Provide nameplates per above section: “Nameplates, Labels, Signs, and Instruction Plates.” C. Schedule Holder: Provide crystal clear, heavy duty, 5 1/8” x 81/2” vinyl, long side open. Storesmart #STB897 peel and stick 8GA. Vinyl or approved equal D. Update panel schedules on all existing panels where new work is performed. Update panel nameplates if they do not comply with the details on the construction drawings. 2.5 DEVICE COVERPLATE LABELS AND PAINT A. Coverplate material shall be as specified in Section 262726: Coverplates. B. Embossed metallic or plastic tape (Dymo) is not acceptable for any application. C. Methods of Inscription: (Unless otherwise noted) 1. Self-adhesive Tape: For Imprinted or thermal transfer characters onto permanent waterproof tape lettering system. (Brother’s or Kroy). Apply Matte finish spray coating (Krylon #1311) as required to make lettering waterproof. Electrical Identification Section 260553 3 Medium Voltage Testing and Maintenance Project D. Paint covers per part 3 below. PART 3 - EXECUTION 3.1 INSTALLATION - GENERAL A. Lettering and Graphics: Coordinate names, abbreviations, colors, and other designations used in electrical identification work with corresponding designations specified or indicated. Use numbers, lettering, and colors as approved in submittals and as required by code. B. Sequence of Work: Where identification is to be applied to surfaces that requires finish, install identification after completion of finish work. C. Installation: 1. 2. 3. 4. 5. 3.2 Install identification devices in accordance with manufacturer's written instructions and requirements of NEC. Clean surface of dust, loose material, and oily films before applying identification. Install identification parallel to equipment lines. Apply using permanent methods and materials (such as tape and nameplate materials) that is suitable for the environment installed and will not degenerate over time due to UV, sunlight, humidity, temperature swings, etc. Install labels at locations indicated and at locations for best convenience of viewing without interference with operation and maintenance of equipment. Do not cover up other instructions or labels. CONDUCTOR AND CABLE IDENTIFICATION A. Conductor Color Coding: Provide color coding for the following: 1. 2. 3. Secondary service, feeder, and branch circuit conductors throughout the project electrical system: 208 and 120 Volts Phase 480 and 277 Volts Black A Brown Red B Orange Blue C Yellow White Neutral White with strip (preferred) or Grey (if allowed by local inspector) Green Ground Green Orange Switch leg Pink Yellow Traveler Purple Control wiring inside custom electrical equipment and control panels throughout the project electrical system, refer to mechanical specifications. Use conductors with color factory-applied the entire length of the conductors except as follows: Electrical Identification Section 260553 4 Medium Voltage Testing and Maintenance Project a. b. c. The following field-applied color-coding methods may be used in lieu of factorycolored conductor for sizes larger than No. 10 AWG. Apply colored, pressure-sensitive plastic tape in half-lapped turns for a distance of 6 inches from terminal points and in boxes where splices or taps are made. Apply the last two laps of tape with no tension to prevent possible unwinding. Use 1-inch-wide tape in colors as specified. Do not obliterate cable identification markings by taping. Tape locations may be adjusted slightly to prevent such obliteration. In lieu of pressure-sensitive tape, colored cable ties may be used for color identification. Apply three ties of specified color to each conductor or cable at each terminal or splice point starting 3 inches from the terminal and spaced 3 inches apart. Apply with a special tool or pliers, tighten for snug fit, and cut off excess length. B. Future Connections: Tag or label conductors indicated to be for future connection or connection under another contract with identification indicating source and circuit numbers. C. Multiple Conductors/Circuits: Where multiple branch circuits or control wiring or communications/signal conductors are present in the same box or enclosure (except for colorcoded, three-circuit, four-wire home runs) and wherever there is possible confusion in identifying each conductor, label each conductor or cable. Provide label indicating source, voltage, circuit number, and phase for branch circuit wiring. Phase and voltage of branch circuit wiring may be indicated by means of color-coded conductor insulation. For control and communications/signal wiring, use color coding or conductor/cable marking tape at terminations and at intermediate locations where conductors appear in wiring boxes, troughs, and control cabinets. Use consistent letter/number conductor designations throughout on conductor/cable marking tapes. Conductor numbers shall match the manufacturer's shop drawings. D. Numbering system for all equipment and devices to be coordinate with existing system and the physical plant manager. E. Cable and Feeder Identification Tags: Securely fasten identifying tags around cables, feeders, and power circuits in vaults, pull boxes, junction boxes, manholes, and switchboard rooms with stamped letters and numbers with legend to correspond with designations on Drawings. If metal tags are provided, attach them with approximately 55-lb test monofilament line or one-piece self-locking nylon cable ties. 3.3 NAMEPLATES, LABELS, SIGNS, AND INSTRUCTION PLATES A. Apply warning, caution, and instruction signs and stencils as follows: 1. 2. Install warning, caution, or instruction signs where required by NEC, where indicated, or where reasonably required to assure safe operation and maintenance of electrical systems and of the items to which they connect. Install engraved plastic-laminated instruction signs with approved legend where instructions or explanations are needed for system or equipment operation. Install butyrate signs with metal backing for outdoor items. Emergency Operating Signs: Install engraved, laminated signs with white text on red background with minimum 3/8-inch high lettering for emergency instructions on power transfer, load shedding, or other emergency operations. Electrical Identification Section 260553 5 Medium Voltage Testing and Maintenance Project B. Install equipment/system circuit/device identification as follows: 1. 2. Apply equipment identification labels of engraved plastic-laminate on each major unit of electrical equipment in building, including central or master unit of each electrical system. This includes communication/ signal/alarm systems, unless the factory supplied labeling on the unit is acceptable to the Engineer. Refer to drawings for details of signs, if details are not included provide the following minimum information: a. b. c. 3. Text shall match terminology and numbering of the Contract Documents and shop drawings. Apply labels for each unit of the following categories of electrical equipment. a. b. c. d. e. f. g. h. i. j. k. l. m. n. o. p. q. r. s. t. u. v. w. 4. Equipment or device designation. (Minimum 3/8" high) Amperage, KVA or horsepower rating, where applicable. Voltage or signal system name. Panelboards, electrical cabinets, disconnects, and enclosures. Access doors and panels for concealed electrical items All junction boxes and enclosures larger than 4" square Each circuit breaker or fused switch in distribution boards, switchboards and switchgear. Electrical switchgear and switchboards Bus duct (10’ intervals) Electrical substations Motor control centers. Motor starters Pushbutton stations Power transfer equipment Contactors Dimmers Control devices Transformers Battery racks Power generating units Telephone switching equipment Clock/program master equipment. Call system master station. Fire alarm master station or control panel. Security monitoring master station or control panel Spare conduits at both ends. Engraved legend using the following color combinations: (Provide alternate color combinations as shown or noted) Text Color Background System Description Color White Red Black Yellow Electrical Identification Danger and warning signs and devices such as emergency power off (EPO) switches. Instructional and Operational signs. Section 260553 6 Medium Voltage Testing and Maintenance Project Text Color Background Color System Description White Black Device Nameplates for controls, pushbuttons, meters, indicating lights, etc. White Blue Standby Power systems White Red Emergency power systems Black White Normal power systems Red White Fire alarm device and enclosure nameplates C. Apply circuit/control/item designation labels of engraved plastic laminate for disconnect switches, circuit breakers in distribution, switchboard and switchgear, lights, motor control centers, and similar items for power distribution, except panelboards and alarm/signal components, where labeling is specified elsewhere. D. Provide legends on panel mounted operators devices such as pilot lights, reset buttons, hand-off-auto switches, pushbuttons and other control components. 3.4 PANELBOARD, DISTRIBUTION AND MCC IDENTIFICATION A. Circuit Numbering: Starting at the top, odd numbered circuits in sequence down the left hand side and even numbered circuits down the right hand side. B. Panelboard Nameplates: Mount nameplates with permanent non-carrier based double-stick tape in interior locations and pop rivets in exterior locations. In finished public areas, such as in lobby or corridor walls, mount the nameplate to the top of the inside of the inner door then also provide an additional 0.75" high, single-line, white nameplate with black 1/4" high panelboard name. All nameplates that are to be mounted on the outside shall be centered, ½" up from the top on the inner door on the outside of the outer door. C. Panelboard Schedule Holder: Mount schedule holder, secured to inside face of inner panel door. Contractor shall install construction panel schedules in holders during construction and replace with “as of record” panel schedules in holder at end of project. Final schedules shall include room numbers and explicit description and identification of items controlled by each individual breaker. 3.5 DEVICE COVERPLATE LABELS A. Provide self-adhesive type labels for all receptacles, switches, outlets, plugmold, etc. per the following: 1. 2. Lettering Type: Helvetica, 12 point or 1/8" high. Text: Label coverplates with identity of source and circuit number serving the device per the following convention: “Panel Name”- “Circuit Numbers” (except UPS circuits, which have word UPS as part of the label). Example: “MTE0032-1", “UPS MTE0033-3”. Electrical Identification Section 260553 7 Medium Voltage Testing and Maintenance Project 3. Color of Characters shall be as follows: Text Color Background Color System Description Black White All blue, black, brown power device coverplates Black Clear All white, ivory, gray, red, stainless steel power device coverplates 4. Installation of self-adhesive tape: a. b. c. B. Provide engraved coverplates for switches, dimmers, etc. as follows: (in addition to panel-circuit number labels) 1. 2. 3. C. Imprinted tape shall be coated with a permanent, non-gloss protective finish. Spray coating shall be applied prior to installation or simultaneously as with Brother’s unit. Tape shall be applied to coverplate there is no need to wrap label and label should be at bottom of plate. Top of plate for special equipment designations. Inscription shall be centered and square with coverplate. All multi-ganged (three or more) switches or dimmers. All special purpose switches or controls, i.e. - fan, projector screen, etc. where it is not obvious what it controls. Engraving shall indicate fixtures or devices controlled (i.e. "Down Lights", "Cove Lights", etc.) Identify Junction, Pull, and Connection Boxes: 1. Identify Junction, Pull, and Connection Boxes above accessible ceilings, exposed in mechanical and electrical rooms and other non-finished areas such as tunnels, loading docks, etc. by neatly spray painting the box and cover plate. Conform to site’s standard colors for each system type. The boxes and covers shall be painted prior to installation. It is unacceptable to paint the boxes after installation where the overspray paints the conduits and other surrounding items. It is the electrician's responsibility to ensure that the boxes are not painted over by the architectural painting contractor. Refer to detail drawings for color code of conduits and J-boxes. END OF SECTION 260553 Electrical Identification Section 260553 8